Suba,
did you ever get your custom board booting from Nand? I just joined the
email list and I am having a similar problem. I think there is a bug in
the nand.c file included with SPRAAI4 when writing and reading from
flash with page size >512 bytes. Below is the offending code snipped
from NAND_ReadPage (around line 394):
////////////////////////////////////////
// Read the page data
for (i=0; i<numReads; i++)
{
// Actually read bytes
flash_read_bytes((PNAND_INFO)&gNandInfo, (void*)(dest),
gNandInfo.bytesPerPage);
// Get the ECC Value
eccValue[i] = NAND_ECCReadAndRestart((PNAND_INFO)&gNandInfo);
//Increment pointer
dest += gNandInfo.bytesPerPage;
}
///////////////////////////////////
this code attempts to read in sections of 512 bytes and then get the ECC
code for each 512 byte section within the page, but it appears to move
the destination pointer by the page size (2048 bytes) on each iteration
of the loop, instead of by 512. This also occurs in the NAND_WritePage
routine. So, I don't think the correct data is being read or written to
flash correctly. I've tried fixing this, but I still can't get my custom
board to boot from flash either. Once booted from UART, I can dump the
flash contents over the serial port and everything seems correct, but
when jumpered to boot from nand, the system still gives the "BOOTME"
prompt. Help!!!
Robert
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